Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1328aa8283e1a82e38eef6bdf7dab07fd2bc91345d1aa465b4ea6facb8d595bf' 
  AND token = 'wo2DCCV7l4i4zLbgexrryaROM7NnXDfo4sazhMiMSvI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00064

JSON explain

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