UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dkRC5cOzaPlVcy49Ghvl5uaceVlu1cbT84QO+WjIAy4=' 
WHERE 
  key_id = 'e6a071c844f4a029f90d3084a18b2a4696c715e78a2e2e6c1c73b52edc5ef326' 
  AND (
    token = 'dkRC5cOzaPlVcy49Ghvl5uaceVlu1cbT84QO+WjIAy4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )