UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EAYCujbPxwWY02Vlt1gq6O6oCJSKxht8qga4iMMaJbc=' 
WHERE 
  key_id = '51d30d2145fb77f78dfa34a59daeba3b6630c6e2e23cad5562e1f722c2542d43' 
  AND (
    token = 'EAYCujbPxwWY02Vlt1gq6O6oCJSKxht8qga4iMMaJbc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )