INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6e3ae2cd80501dfffed07d0f27e3c87780a9f20d78434b152f80a15397726404', 
    'eiK1eSiyDFlQj20jK1mmjhpOj+6cQt84F+/y4xYG6tE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)