UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b7Cb4Bx9MIBVLkaw8+gX7zivhrHSkq91X+QLjlwq/CY=' 
WHERE 
  key_id = '93bcb94c628c1d7248c1575df8036fb769db0a5595de4ba3e2d37ee391794a80' 
  AND (
    token = 'b7Cb4Bx9MIBVLkaw8+gX7zivhrHSkq91X+QLjlwq/CY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )