INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd21e98b0571bc246c950323e529a9402884c8668918bf6048fef19caa436ae85', 
    '6bU8DdAZWOvWkvKr44GOIRNwp4dzXv6Z6IR0vnez8Us=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)