INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b8e573951c2c64162b1db6a8813db9ad1f944b0916ef363b61f30e14d38edb6', 
    'PN40BbaW22IAVNOfHsmHRy4z7ZjqiWNWl4kJ3yV8mBg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)