UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ExH+eTXfa+lkIOw1a7HJHUb4uUgcODGB8fLhgLE3xGQ=' 
WHERE 
  key_id = '6cf51a31d51eacb8ae7faef61272c589725e2f29ff949e4aa0a6320c09d28c20' 
  AND (
    token = 'ExH+eTXfa+lkIOw1a7HJHUb4uUgcODGB8fLhgLE3xGQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )