UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ltPm6md4clBQj2wRlBIQjgqc9noT6ffOQez8x1Jl8h8=' 
WHERE 
  key_id = '5b3621bed4f3f9351c3692d2192472484ad3ed2edb38bc381495040f9de73451' 
  AND (
    token = 'ltPm6md4clBQj2wRlBIQjgqc9noT6ffOQez8x1Jl8h8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )