INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'dfc859f4dde0e82436a94028731247b62ef80e6d5d369c4309fb188e83aba97c', 
    'EmpEoW5DBoDEOtgbQDTpwr3KRSwtr3PKA/BY3noW0Vc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)