INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e476b751fe646f398d2c53f4d25fa42d115a18408bcd7e06fe669d15bbbfe2b6', 
    'b6XZxDaFU0Q6iMgSZ9S3cuVv/wMExzkAmi3ag22pUTQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)