INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5939421c9f740dd9f3a015edd62f9a876e4191b043c5da12721965844c6f4d14', 
    'nz6JiWbM6LaCslBQjc+iMEraz1i46nyE2fYELCxtcU8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00019

Result

int(1)