INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '12842755d1d94bd0b391b5e6b78a0551b070d91b902bb77fb57938943a77bc0f', 
    'B7uufvZQt9kYj+vDLB9FhQrXP4ZgO8E4vmIxvunsgNA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)