INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '538b0dd2a712e12261fb82c0479563efe5f1188204003bd953444d69404cff79', 
    '4QjyHSz+CzQ5MbXNjOdIy+NqNH2AQHOt1WvgYxnZ0Ec=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)