UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PMUX6IgLh8+YY1MZs0hNEs7IRJd50ORHeVBieiYrga8=' 
WHERE 
  key_id = '6ca9032c13540cdfea837bad5362f5cf2373ad5b10ef1f9b054cd7f856501397' 
  AND (
    token = 'PMUX6IgLh8+YY1MZs0hNEs7IRJd50ORHeVBieiYrga8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )