UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'txvArrpzRKhCo83EMYIKGeYqhg8yXFs73Z4YA90faLY=' 
WHERE 
  key_id = '0e87ab1981b2104ce75a57822803ea44adfdd9bf518d18693d31bed059fe178d' 
  AND (
    token = 'txvArrpzRKhCo83EMYIKGeYqhg8yXFs73Z4YA90faLY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )