INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51e531e52af60e0b3735ccde93382039a4f9fa2e7097738718e7ff60dc4edabc', 
    'F7z2Wk2jRr6HI4mvNa5/4Ior5/UE30zrGXd1b4AsbyI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)