INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a21c5de48e538a00c6883147ee1a281b471defd4716ba23327e022198cb84e11', 
    'ZKdprfsQyM/XbvJDfH8gHNNPu+n27YrmidIH4Whz98M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)