UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OFb03bfcktVhnBVq3ypHYaA48TZnX93PgBaIg98XhbM=' 
WHERE 
  key_id = 'a520153d9e1b2a1c5715913ae5108b8fe7d51fc93f6de59ec14e57c7bfc5ef0e' 
  AND (
    token = 'OFb03bfcktVhnBVq3ypHYaA48TZnX93PgBaIg98XhbM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )