INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7c615af788fd916aa128bbff803a5d01dccbd302172e218e618af13a5c478f1c', 
    'LnGr1i/M9JrhjVr19uVU7KN2wYckhPAut4z2p275KYw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)