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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '11cfdfd9562d47f4d60850064364eece95e5cf3239fadb7129197ad398312d01' 
  AND token = 'BliHBYp/8rBAye5/HHNqtuApEi1omekqY4dG2uQdVs4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00140

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}